1. was (= das, was, correlative), indef. neuter sing. for masc. and fem. pl. die, welche.
2. es (neuter). Note agreement with grammatical gender of Menschenkind.
3. Hungers sterben (idiomat. phrase formed with adverb. genit. of manner), to die of hunger, to starve to death.
4. er ließ sich sehen. How to be rendered? Comp. er ließ sich nicht trösten (page 9, note 10) and wenn er sich wieder sehen ließe (page 28, note 3).
5. auf (time, prospectively), for.
6. The English phrases, there is, there are, are expressed by the impersonal es with sein or with geben. With sein the verb agrees with the following predicate noun (e.g. es waren keine Menschen dort), but with geben the verb remains always singular (e.g. es gab keinen Menschen dort, and es gab [there were . . .] keine Menschen dort).